Trust Signals & Demo

- Trust signals: photo authenticity, review sentiment & attribution, verification, recency, spam penalty

- API demo snippets:

- Search: curl "http://localhost:3000/api/search?q=fade&location=Brooklyn"

- MCP discover: curl -H "Authorization: Bearer ryb_test_KEY" -X POST http://localhost:3000/api/mcp/discover -d '{"location":"Brooklyn","styles":["fade"]}'

- Visual: profile with `trust_score`, `hairstyles`, and `verified` badge